function loopSpotLight()
{
 document.getElementById("sl_"+slX).style.display = 'none';

 slX++;
 if(slX>=numSpotlights) { slX = 0; }

 document.getElementById("sl_"+slX).style.display = '';
 writeSLcontrols();
 setTimeout("loopSpotLight();",6000);
}

function writeSLcontrols()
{
  var cHTML = "";
  for(var i=0; i<numSpotlights; i++)
  {
   var q = i + 1;
   if(i==slX)
   { cHTML += " <a href=javascript:showSL("+i+");" +
              " class=SL_L1>"+q+"</a>"; }
   else
   { cHTML += " <a href=javascript:showSL("+i+");" +
              " class=SL_L2>"+q+"</a>"; }
  }
  document.getElementById('div_sl_controls_2').innerHTML = cHTML;   
}

function showSL(x)
{
 document.getElementById("sl_"+slX).style.display = 'none';
 slX = x;
 document.getElementById("sl_"+slX).style.display = '';
 writeSLcontrols();
}

var slObj;
var slX = 0;

// hide all except for first spotlight
for(var i=1; i<numSpotlights; i++)
{ slObj = document.getElementById("sl_"+i);
  slObj.style.display = 'none';             }

// populate controls area
writeSLcontrols();

// start looping
setTimeout("loopSpotLight();",6000);